CN103390876B - Emergency power supply device and the method for supplying emergency power supply - Google Patents
Emergency power supply device and the method for supplying emergency power supply Download PDFInfo
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- CN103390876B CN103390876B CN201210146524.2A CN201210146524A CN103390876B CN 103390876 B CN103390876 B CN 103390876B CN 201210146524 A CN201210146524 A CN 201210146524A CN 103390876 B CN103390876 B CN 103390876B
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- power supply
- current
- emergency power
- supply device
- connector
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
This document describe and 1 provides a kind of emergency power supply device, to supply emergency power supply to a DC voltage circuit（1）, wherein, the DC voltage circuit（1）With the first current potential tap（2）And the second current potential tap（3）, the power supplier includes an energy storage units（4）, wherein, the energy storage units tool（4）There is a positive electrode（5）With a negative electrode（6）, and one of electrode passes through one first connector（7）With the first current potential tap（2）Connection, another electrode pass through one second connector（8）With the second current potential tap（3）Connection.High-caliber security and cheap ensure that according to the emergency power supply device realized of the present invention, wherein, at least one connector（7、8）With DC galvanometer（10）And at least one connector（7、8）With cutout, wherein, the DC galvanometer（10）Charging current can be measured, the cutout can prevent the charging current, and can control the cutout according to the charging current measured.
Description
Technical field
The present invention relates to a kind of emergency power supply device, to supply emergency power supply to a DC voltage circuit, wherein, institute
Stating DC voltage circuit has the first current potential tap and the second current potential tap, including an energy storage units, wherein, the energy
Amount memory cell has a positive electrode and a negative electrode, and one of electrode connects described first by one first connector
Current potential tap, another electrode connect the second current potential tap by one second connector.
Term " the first connector " as used herein and " the second connector " refer to conducting connecting part.Pass through these connections
Part, be stored in energy in the energy storage units can be connected by the electrode of the energy storage units and described in
DC voltage circuit is the form of DC voltage at the current potential tap.
The present invention also relates to a kind of emergency power supply device using described in Claims 1-4 4 to supply emergency power supply
Method to a DC voltage circuit.
Background technology
In the prior art, it is extensive to the emergency power supply device of a DC voltage circuit for supplying emergency power supply
Use.Most frequent application example is supply of the emergency power supply to the intermediate circuit of a current transformer.As convention, this current transformer
Three-phase alternating current is supplied by an external power source network, and they supply a customer, for example, the horse of an alternating current or direct current
Reach.When the three-phase alternating current unsteady flow provided by the external power source network, first, three-phase alternating current described in rectification.By described
Direct current caused by rectification, the internal direct current circuit being applied in inverter.The DC circuit is referred to as intermediate circuit.
The DC voltage presented in the DC circuit can be connected by one first current potential tap and one second current potential tap.For
The alternating current of a customer is supplied by being produced in the DC voltage that is presented in the intermediate circuit, for example, by means of inversion.
In the case of safety-related customer, even if the external power source network failure, the customer allow for sustainable behaviour
Make at least a period of time.The example of safety-related customer, in particular for the motor or wind turbine in passenger elevator
Pitch system motor.
In the event of external power source network failure, for example, external power source network failure can be sent out in the case where building is caught fire
Raw, elevator allows for operation to next layer, and can open door without supplying power supply by external power source network, therefore ability
Enough ensure the safety of people in elevator.The conventional drive motor for elevator supplies power supply by means of current transformer.In power-fail
In the case of, in order to allow elevator to be able to carry out above-mentioned emergence program, they are typically equipped with emergency power supply device, urgent
When, the current transformer power supply can be supplied.
Modern wind turbine is generally equipped with electric pitch system, the system have a motor and one in order to
Each rotating vane and to the motor supply power supply current transformer.Because rotating vane is around the rotation of its longitudinal axis, so pitch
Rotating vane described in system fading margin is with respect to the position of wind, and it is typically that can uniquely make what the rotor of the wind turbine paused
The method of safety.This is completed in the pitch system and rotates the rotating vane in so-called feather position, since its no longer by
Wind drives, and the rotor is paused.The pitch system generally has supplies power supply by electric power network, and the electric power network is also by wind
Power supply caused by power turbine supplies.If the electric power network failure, it may appear that dangerous situation, if for example, described
The rotary speed of the rotor of wind turbine exceedes the maximum allowed, if wind-force increases, as a result, the wind turbine
Chance bears to damage, or nigh people can sustain an injury.
In order to avoid such dangerous situation, even if the electric power network fails, it allows for moving the rotation
Blade is to feather position, even if when the pitch system does not supply power supply by external power source network.For this purpose, from existing
Have in technology and understand, give the emergency power supply device of pitch system device one, in the case where electric power network fails, it is ensured that to institute
Supply and the feature of the pitch system of the power supply of pitch system are stated, is moved at least up to the rotating vane safe
Feather position.In case of emergency, the emergency power supply device with d.c. motor can also be directly connected to the d.c. motor.
However, when the emergency power supply device connects the intermediate circuit of the current transformer, there is a safety
Problem.Battery uses usually as emergency power supply device.Because the intermediate circuit has a variable voltage, therefore electricity
Pressure may also can become much higher than the voltage provided by the battery, and in order to avoid the overshoot of the battery, the battery is usual
Be not directly connected the intermediate circuit.In order to prevent charging current from being flowed into from the intermediate circuit in the battery, one or more
Individual decoupling element is installed on the connecting line between the current potential tap of the electrode and the intermediate circuit of the battery.Therefore,
The task of the decoupling element is to prevent the charging identical electric current with battery, that is to say, that charging current, but at the same time,
The electric discharge identical electric current with battery is allowed to pass through, that is to say, that discharge current.Discharge current is accurately appropriate with battery
Using identical, i.e. in case of emergency, the emergency power supply supplies to the DC circuit.As convention, diode or
Series diode is used for the purpose of decoupling, in view of their function, as decoupling element, they are also referred to as decoupling diode.
The normally so-called power diode of the diode that uses, being particularly suitable for use in has a high voltage and in the case that high current occurs.Electricity
Pond is as the use that another change utilized of emergency power supply device is capacitor.However, just as battery, electric capacity also can
The extra-high voltage damage provided by intermediate circuit.
Element flaw, ageing process or overload, for example, the decoupling element used can be caused to fail.In the decoupling element
It is reverse in extra-high voltage, the main reason for being this possible failure of the decoupling element.Failure mainly including the use of
The failure of decoupling diode.Such failure causes the decoupling diode to become able to reverse-conducting, so it no longer has
The ability of charging current can be prevented.If the failure of the decoupling element causes uncontrollable charging current, the battery meeting
Become over charging.If the over-charging of battery, it may occur that the leakage of the hydrogen in the battery.It is hidden that this forms main safety
Suffer from, because the hydrogen can form explosive mixture with the air of surrounding, it is easy to generally be found in wind turbine
Incendiary source light.If the battery is in the container of closing, single to be accumulated as caused by leaking gas in the container
Internal pressure energy causes the vessel breaks, and it can result in the suitable infringement inside the wind turbine, also produce
The subsequent hydrogen leaked from the container is lighted.In the case of very high pressure, spontaneous combustion even occurs.
The content of the invention
It is emergent for supplying the purpose of the present invention is to propose to a kind of emergency power supply device and one kind before this background
The method of power supply, to ensure that high safety is horizontal and cheap.
The purpose of the imagination of above-outlined realized by above-mentioned emergency power supply device, wherein, at least one company
Fitting with DC galvanometer and at least one connector with cutout, wherein, the DC galvanometer, which can measure, to be filled
Electric current, the cutout can prevent the charging current, and can control the cutout according to the charging current measured
Device.
Herein, DC galvanometer is can to measure one between the energy storage units and the DC circuit
The device of the absolute current of predetermined direction flowing in individual conducting connecting part.As a result, the DC galvanometer can be true
Whether the fixed charging current being harmful to the energy storage units flows.Therefore, the electric current that the DC galvanometer can measure
Direction be that the installation sites of installation site based on the DC galvanometer and the energy storage units determines, especially
It is the polarity of the energy storage units.
Absolute current can be measured just as the DC galvanometer of sense of current equally also falls into the scope of the present invention.At this
In example, the DC galvanometer can distinguish the charging current that may be harmful to the energy storage units, harmless electric discharge
Electric current or completely currentless situation.In the case of charging current, the cutout can prevent the electric current.For this
Purpose, it, which provides the information of the charging current on measuring, to be forwarded directly to the cutout by the DC galvanometer
Or advanced control unit, as a result, according to the charging current measured, the cutout can be directly or indirectly by controlling
Unit controls.
Detection could be used in the earthing potential and by direct current according to the emergency power supply device of the present invention
Charging current caused by short circuit between the connector of one electrode of flowmeter and battery connection.In a word, by such short circuit
Caused charging current is also by flowing through the DC galvanometer.
Following advantages are had according to the emergency power supply device of the present invention, it can be without using leading in the prior art
The decoupling element of the type often found, so cause suitable cost advantage.In addition, the safety of the emergency power supply device
Operation ensure because interaction between the DC galvanometer and the cutout can prevent it is potential harmful
Charging current.
The energy for being not limited only to be damaged by the charging current according to the emergency power supply device of the enlightenment of the present invention
Memory cell, also fundamentally also cause it is described can memory cell, just as, such as capacitor, controlled charging.The fact is,
The cutout can prevent the charging current from meaning that the cutout is only capable of in two states, i.e., conduction and it is non-conductive it
Between change.However, the electric conductivity of cutout can it is extreme at these two between adjust, be enable to accurate
Charging current is controlled, especially also falls into the scope of the present invention.
According to the present invention an advantageous embodiment, its carry for DC galvanometer have decoupling element, bypass diode and
Current measuring unit, wherein, the bypass diode and current measuring unit series connection, the decoupling element and the bypass
Diode and current measuring unit connector in series are in parallel.
Here, the bypass diode connects in this manner, while its barrier discharge electric current, it is allowed to potentially have
Harmful charging current passes through.This ensures that current measuring unit only measures charging current.Reason is, if the current measuring unit
It is uniquely to be able to carry out simple current measurement, and can not especially detects the direction of the electric current flowing, just foot is so set
It is much of that.If the charging current that the current measuring unit measurement does not allow, the charging current can be hindered by the cutout
Only.According to the present invention, an admissible discharge current flows through the decoupling element and not measured by the current measuring unit.
According to this improved one of the present invention it is main the advantages of be that, the emergency power supply being known from the prior art that supplies
To device and its there is an at least decoupling element, can be easy to be modified so as to become the emergency power supply according to the present invention
Device.This is simply completed in the following manner, installation it is in parallel with existing decoupling element by current measuring unit and
What bypass diode was formed is connected in series part, and if there is no cutout, installs cutout.
In the preference of the present invention, it is characterised in that the cutout is established by the current measuring unit.
The function of the cutout is integrated in the current measuring unit and means that the individual component for the cutout is not
It is necessary.Which also saves the needs of the extra connecting line between the current measuring unit and the cutout.Therefore,
Following advantages are brought according to this embodiment of the invention, and the emergency power supply device can be dirt cheap and simply give birth to
Production.The improvement of existing emergency power supply device also simplify.
According to the special preferable improvement of the present invention, its current measuring unit provided has fuse.
It is described that the appearance of fuse in the current measuring unit make it that it is highly susceptible to the cutout being integrated into
In current measuring unit.Herein, the fuse is designed in this way, and the electric current is surveyed in itself by the fuse
Amount.If only insignificant charge current flows do not flow completely, the fuse is in conduction state.If described in ratio
The big charge current flows of the tripping current of fuse, the fuse are changed to non-conductive state.This show clearly that protect
Dangerous silk not only performs the measurement of admittedly very simple electric current, also plays cutout simultaneously, if electric current is too high, it is disconnected
Electric current is opened, so prevents potentially harmful charging current.Basically, the fuse of all known types is one
Selection, especially fuse cutout.Herein, fuse cutout has the disadvantage in that, on the one hand, when they fail, they are destroyed
And it can not reappose to conduction state, but on the other hand, they provide the very reliability of high level and reduced
The cost of element.Especially contrast automatic cut-off switch, the fuse cutout be capable of safety disconnect high current in high voltage.
In the preference of the present invention, its power measurement unit provided, there is a PTC electro-hot regulators.
Term PTC electro-hot regulators as used herein, refer to an element, and its impedance increases with the rise of temperature.It is special
Other, the PTC electro-hot regulators design in this way, if the charging current be can not ignore, it is heated to so
Make the impedance be increased to be enough the scope for preventing the charging current with the rise of the temperature.
According to another preference of the present invention, its current measuring unit provided, a signal element, and the letter are connected
Number unit can export the information of the state on the current measuring unit.
In addition, its advantage, which is at least one connector, has at least one switch, wherein can be according to by the signal list
The information of the state on the current measuring unit of member output controls the switch.
Therefore, direct or indirect connection can be provided between the signal element and the switch, by means of this connection
The information of the state on the current measuring unit can be transmitted.Information on the state includes specific measured value,
Such as current strength or the sense of current, and it is related to the property of the current measuring unit, for example, on the current measuring unit
Ready state.
According to the present invention another preferably improve, its provide described DC voltage circuit there is a control unit,
The signal element being connected with described control unit, the signal element are used on the state of the current measuring unit
Information is forwarded to described control unit.
In doing so, direct or indirect connection can be provided between the signal element and described control unit,
The information of the state on the current measuring unit can be transmitted by means of this connection.Information based on transmission, the control
Unit can control the DC voltage circuit and/or other devices being connected with control unit.In addition, described control unit
Can be a part for current transformer, for supplying power supply to one or more customers and can be used in controlling the current transformer
And/or the customer.
In the preference of the present invention, its at least one connector provided has a decoupling element.
As convention, some decouplings in connector between the energy storage units and the DC voltage circuit
The equipment of element can further improve the security of the emergency power supply device according to the present invention.
When according to above-mentioned preferable improvement of the invention, a particularly preferred structure can be obtained, it is provided straight
Flowing galvanometer has a decoupling element, a bypass diode, and a current measuring unit, wherein the bypass diode and institute
Current measuring unit series connection is stated, the decoupling element is made up of the bypass diode and the current measuring unit with described
Part parallel connection is connected in series, and it is described in the connector between wherein described energy storage units and the DC voltage circuit
DC galvanometer does not have extra decoupling element.
Error in the DC voltage circuit can cause voltage level in the DC voltage circuit or temporarily or
It is permanent to steeply rise.These voltage peaks are at the current potential tap of the DC voltage circuit, that is, the energy
The position of multiple connectors connection between memory cell and the DC voltage circuit.
Due to the decoupling element included in the galvanometer and by the bypass diode and the current measuring unit
The fact that be connected in series part parallel connection of composition, mainly protects the decoupling element to appear in the decoupling element to prevent voltage peak
It is reverse.Only extra decoupling element bears that voltage peak in the opposite direction occurs completely.Therefore, as convention, by sending out
It is raw first to influence extra decoupling element in any failure caused by reverse very high voltage.If the extra decoupling
Element fails in this way, and it becomes conductive, and charging current then can occur in a short period of time.However, institute
State charging current to be detected by the current measuring unit, then prevented by the cutout.Therefore, the charging current of burst carries
The collateral information of the failure on extra decoupling element is supplied.Therefore, the short time is happened suddenly by the current measuring unit
Charging current measurement, information of the output on the failure of the extra decoupling element indirectly.The information can pass through institute
State signal element output.
According to another preference of the present invention, its at least one decoupling unit provided is at least by a diode shape
Into.
Use with single diode compares, and multiple Diode series reduce one as the use of decoupling element
The possibility of coupling component failure, distribution is depressured to the multiple diode due to appearing in reverse voltage, so as to each
The diode of monomer bears less load.Here, described distribute decompression to multiple diodes is not equably to occur on the contrary
It is quite asymmetrically to occur.
Based on the above-mentioned method for supplying emergent voltage, when measuring unwanted charging current, with such
Mode drives the cutout cutout is prevented the unwanted electric current, and the purpose of imagination mentioned above is also realized
.
Herein, the charging current is typically to be measured by the DC galvanometer.If it is determined that charging current surpass
Cross a negligible value and thus the energy storage units may be harmful to, in this way using the charging current on measuring
Information so as to directly or indirectly driving the cutout it is prevented potentially harmful charging current.
According to the present invention enlightenment be used for supply emergency power supply method be not limited solely to it is described can be by charging current
The energy storage units of damage, it also fundamentally also allows the energy storage units of a controllable charging, for example, capacitor.Base
In this reason, charging current is can allow under given conditions, for example, when it is used to charge to the energy storage units
When, and/or when it is maintained at the limited amount scope harmless to the energy storage units.
According to the preference of the present invention, its current measuring unit provided, a signal element is connected, and pass through the letter
Number unit can export the information of the state on the current measuring unit.
The preference of the present invention is characterised by that at least one connector has at least one switch, wherein, Neng Gougen
The switch is controlled according to the information of the state on the current measuring unit exported by the signal element.
By means of such switch, the energy storage units can be reliably separated from the DC voltage circuit.Cause
This, the disconnection forms extra security measurement so as to prevent unwanted charging current, even if the function of the cutout
It is impaired.Particularly, disconnection of the energy storage units by means of the switch from the DC voltage circuit, protection arbitrarily may be used
The decoupling element in connector can be installed on to prevent overload caused by the high voltage carried out as the DC voltage circuit.
According to the especially preferred improvement of the present invention, its DC voltage circuit provided has a control unit, with
And one connection described control unit signal element, wherein on the current measuring unit state information by the signal
Unit is sent to described control unit.
For the purpose, using the teaching of the invention it is possible to provide the direct or indirect company between the signal element and described control unit
Connect, by means of the connection, transmit the information of the state on the current measuring unit.Information based on transmission, the control
Unit processed controls the DC voltage circuit and/or the extra device being connected with control unit.
More specifically, also many methods come configure and improve according to the present invention emergency power supply device and root
According to the method for supplying emergency power supply of the present invention.Therefore, with reference to refer to the attached drawing, with reference to from attached Patent right requirement 1,
As the preference of the invention being described below in detail, Patent right requirement.
Brief description of the drawings
Accompanying drawing shows following:
A kind of schematic diagram of Fig. 1-known in the art emergency power supply device；
Fig. 2-according to a kind of emergency power supply device of advantageous embodiment of the invention；And
Fig. 3-according to a kind of particularly preferred structure of emergency power supply device of the invention.
Reference number catalogue
1 DC voltage circuit
2 first current potential taps
3 second current potential taps
4 energy storage units
5 positive electrodes
6 negative electrodes
7 first connectors
8 second connectors
9 decoupling diodes
10 DC galvanometers
11 bypass diodes
12 current measuring units
13 signal elements
14 switches
15 control units.
Embodiment
The emergency power supply device known in the art that Fig. 1 is described is for being had one first current potential tap (2)
Emergency power supply is supplied with the DC voltage circuit (1) of one second current potential tap (3).The energy stores list of emergency power supply device
First (4) have a positive electrode (5) and a negative electrode (6).Here, the first current potential tap (2) of the DC voltage circuit (1) is logical
One first connector (7) is crossed with the positive electrode (5) of the energy storage units (4) to be connected.The of the DC voltage circuit (1)
Two current potential taps (3) are connected by one second connector (8) with the negative electrode (6) of the energy storage units (4).Described first
Connector (7) is as second connector (8), all with decoupling diode (9).
The DC voltage circuit (1) can be by first connector (7) and second connector (8) by institute
State energy storage units (4) supply power supply.The energy storage units (4) are protected to prevent excessive by the decoupling diode (9)
Charging.If decoupling diode (9) failure, for example, aging is produced, overload or manufacturing defect, the energy storage units
(4) just no longer by the protection for preventing from overcharging.
Fig. 2 shows that the present invention has an advantageous embodiment of a DC galvanometer (10) and cutout.The direct current
Flowmeter (10) is arranged in second connector (8), and it has a decoupling element, a bypass diode (11) and an electric current
Measuring unit (12).The decoupling element is formed by decoupling diode (9).One extra decoupling element (9) is arranged on described the
In a connection piece (7).Therefore the current measuring unit (12) simultaneously also functions to the effect of cutout as fuse cutout configuration.By
The decoupling element that the decoupling diode (9) is formed is connected with what is be made up of current measuring unit (12) and bypass diode (11)
Connector is in parallel.
Fig. 2 emergency power supply device is only by the current measuring unit (12) configured as fuse cutout and bypass
Diode (11) is different from Fig. 1 emergency power supply device.The faint difference of the structure close with the prior art shown in Fig. 1
It is different so that it is simple and inexpensively improves the existing emergency power supply device according to prior art.If extra is located at
Decoupling diode (9) in first connector (7) will fail, and charging current may be from the energy storage units (4)
Negative electrode (6) flow to the DC voltage circuit via the current measuring unit (12) and the bypass diode (11)
(1) the second current potential tap (3).If the charging current exceedes certain value, form current measuring unit (12) and play cutout
The blowout of device effect.Further charging current is no longer able to by the decoupling diode in second connector
(9), because the diode is used to turn on reverse charging current.
Occurs short circuit between the negative electrode (6) and earthing potential (being not shown here) of the energy storage units (4)
In the case of, according to the current potential of the second current potential tap (3) of the DC voltage circuit (1), charging current can pass through the electricity
Flow metering unit (12) and the bypass diode (11) flow to the second of the DC voltage circuit (1) from the earthing potential
Current potential tap (3).Therefore, the charging current as caused by such short circuit can be measured by current measuring unit (12).If
The charging current exceedes certain value, forms the blowout of current measuring unit (12), is drawn so as to disconnect by the short circuit
The charging current risen.
Equally, short circuit can occur in the positive electrode (5) of the energy storage units (4) and the earthing potential (herein
It is not shown) between.In this example embodiment, if the first current potential tap (2) of the DC voltage circuit (1) is in one than being grounded
The higher current potential of current potential, from the first current potential tap (2) of the DC voltage circuit (1) flow to the electric current of the earthing potential by
The decoupling diode (9) prevents.If however, the second current potential tap (3) of the DC voltage circuit (1) is in than described
The lower current potential of potential difference between the positive electrode (5) and negative electrode (6) of energy storage units (4), charging current can flow through
The current measuring unit (12) and the bypass diode (11).The charging current produced by this way also can be by described
Current measuring unit (12) measures.If the charging current exceedes certain value, the fuse of current measuring unit (12) is formed
Blow, so as to disconnect the charging current as caused by the short circuit.
Principle work of the emergency power supply device as the emergency power supply device according to Fig. 2 shown in Fig. 3
Make.In addition, a signal element (13) is had according to Fig. 3 emergency power supply device, by means of the signal element (13) energy
Information of the enough output on the state of the current measuring unit.By being surveyed on the electric current for the signal element (13) output
The information of the state of amount unit (12) is realized by a switch (14) being arranged in second connector (8).Herein
In, the switch (14) can be controlled by this way, in the case of potentially harmful charging current, open the switch
So as to which second connector (8) safely disconnects, so as to reliably protect the energy storage units (4) to prevent excessively filling
Electricity.
Equally, control unit (15) causes by the signal element (13) output on the current measuring unit (12)
The information of state be possibly realized.Part of the control unit (15) as the DC voltage circuit (1) shown in Fig. 3, although
It can be arranged at the outside of the DC voltage circuit (1).
Claims (11)
1. a kind of emergency power supply device, including：
One energy storage units (4), wherein power supplier provide emergency power supply to a DC voltage circuit (1), wherein, institute
Stating DC voltage circuit (1) includes being connected to the first current potential tap of energy storage units (4) via one first connector (7)
(2) the second current potential tap (3) of energy storage units (4), and described second and via one second connector (8) are connected to
Connector (8) includes at least one decoupling diode (9), and first connector (7) includes at least one additional decoupling two
Pole pipe (9), and
One bypass diode (11) and a current measuring members (12) are connected in parallel after being connected in series with the decoupling diode (9)
A DC galvanometer (10) is formed, wherein, at least described first connector (7) or second connector (8) include a cutout
Device, wherein, the DC galvanometer (10) is configured to measure charging current, and the cutout can prevent the charging
The flowing of electric current, and the cutout is configured to be controlled according to the flow of the charging current measured.
2. emergency power supply device according to claim 1, it is characterised in that the cutout is by the current measurement
Part (12) is established.
3. emergency power supply device according to claim 2, it is characterised in that the current measuring members (12) have
One fuse.
4. emergency power supply device according to claim 2, it is characterised in that the current measuring members (12) have
One PTC electro-hot regulators.
5. emergency power supply device according to claim 1, it is characterised in that the current measuring members (12), even
A signal component (13) is connect, and the signal component (13) can export the letter of the state on the current measuring members (12)
Breath.
6. emergency power supply device according to claim 1, it is characterised in that at least one connector (7,8) has
At least one switch (14), wherein can be according to the shape on the current measuring members (12) exported by signal component (13)
The information control switch (14) of state.
7. emergency power supply device according to claim 1, it is characterised in that the DC voltage circuit (1) has
One control unit (15), and the signal component being connected with described control unit, the signal component is used for will be on the electricity
The information of the state of flow measurement part (12) is transmitted to control unit (15), wherein, described control unit controls the direct current
Volt circuit and/or the extra device being connected with control unit.
8. a kind of be used to supply emergency power supply device of the emergency power supply described in the one of which with Claims 1-4
DC voltage circuit (1) method,
Characterized in that,
When measuring unwanted charging current, the cutout is driven in a manner of preventing the unwanted charging current
It is dynamic.
9. according to claim 8 be used to supply emergency power supply to the direct current with described emergency power supply device
The method of volt circuit, it is characterised in that the current measuring members (12) connect a signal component (13), and the signal component
(12) information of the state on the current measuring members (12) can be exported.
10. according to claim 9 be used to supply emergency power supply to the direct current with described emergency power supply device
The method of potential circuit, it is characterised in that at least one connector (7,8) has at least one switch (14), wherein being capable of root
The switch is controlled according to the information of the state on the current measuring members (12) exported by the signal component (13)
(14)。
11. it is used to supplying emergency power supply to described emergency power supply device according to claim 9 or 10
The method of DC voltage circuit, it is characterised in that the DC voltage circuit (1) has a control unit (15), and with institute
The signal component (13) of control unit (15) connection is stated, wherein, on the information of the state of the current measuring members (12), by
The signal component (13) is transmitted to described control unit (15).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11165799 | 2011-05-12 | ||
| EP11165799.5A EP2523305B1 (en) | 2011-05-12 | 2011-05-12 | Emergency energy supply device and method for supplying emergency energy |
| DE11165799 | 2012-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103390876A CN103390876A (en) | 2013-11-13 |
| CN103390876B true CN103390876B (en) | 2018-02-02 |
Family
ID=44486069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210146524.2A Active CN103390876B (en) | 2011-05-12 | 2012-05-14 | Emergency power supply device and the method for supplying emergency power supply |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9024588B2 (en) |
| EP (1) | EP2523305B1 (en) |
| CN (1) | CN103390876B (en) |
| AR (1) | AR086334A1 (en) |
| AU (1) | AU2012202688A1 (en) |
| CA (1) | CA2776916C (en) |
| CL (1) | CL2012001229A1 (en) |
| DK (1) | DK2523305T3 (en) |
| ES (1) | ES2656366T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220069590A1 (en) * | 2018-12-25 | 2022-03-03 | Sanyo Electric Co., Ltd. | Standby power supply device and method for charging secondary battery |
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| DE102015207605A1 (en) * | 2015-04-24 | 2016-10-27 | Schmidhauser Ag | DC converter |
| EP3524560B1 (en) * | 2018-02-13 | 2021-01-13 | KONE Corporation | Elevator with backup power supply |
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- 2011-05-12 DK DK11165799.5T patent/DK2523305T3/en active
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2012
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- 2012-05-08 CA CA2776916A patent/CA2776916C/en active Active
- 2012-05-10 AR ARP120101644A patent/AR086334A1/en unknown
- 2012-05-10 CL CL2012001229A patent/CL2012001229A1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2523305B1 (en) | 2017-10-18 |
| US20120286738A1 (en) | 2012-11-15 |
| EP2523305A1 (en) | 2012-11-14 |
| CN103390876A (en) | 2013-11-13 |
| AR086334A1 (en) | 2013-12-04 |
| ES2656366T3 (en) | 2018-02-26 |
| AU2012202688A1 (en) | 2012-11-29 |
| CA2776916C (en) | 2017-12-12 |
| US9024588B2 (en) | 2015-05-05 |
| BR102012011060A2 (en) | 2013-06-18 |
| CL2012001229A1 (en) | 2012-07-13 |
| DK2523305T3 (en) | 2018-01-15 |
| CA2776916A1 (en) | 2012-11-12 |
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Effective date of registration: 20200629 Address after: Barcelona, Spain Patentee after: Ge renewable energy Spain Ltd. Address before: Berlingen, Germany Patentee before: German Moog Limited by Share Ltd. Effective date of registration: 20200629 Address after: Berlingen, Germany Patentee after: German Moog Limited by Share Ltd. Address before: Wuna 59423, Germany Patentee before: Moog Unna GmbH |